export type Hex = string

const hexGen = (len: number = 12): Hex => {
  const maxlen = 8
  const min = Math.pow(16, Math.min(len, maxlen) - 1)
  const max = Math.pow(16, Math.min(len, maxlen)) - 1
  const n = Math.floor(Math.random() * (max - min + 1)) + min
  let r = n.toString(16)
  while (r.length < len) {
    r = r + hexGen(len - maxlen)
  }
  return r
}

export default hexGen